That is standard chain for B series with duplex.
The majoy materials of Standard Chain are SUS304, SUS310, SUS316. They have the features of high strength, high wear level of resistance and long life.
We’ve several rows chains to your requirements.
Twin monitor is a professional manufacturer of roller chain. There are two main classes: Stainless steel chain and carbon metal chain.
We have established a nationwide product sales net function and the products have been sold to the countries and duplex chain china regions in Europe and America, Central and Southern Africa along with South-east Asia, which are very popular among customers.